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Inspect AI

Python framework for writing and running LLM and agent evaluations, with 200+ prebuilt evals and a log viewer.

By UK AI Security Institute · inspect.aisi.org.uk

Package download activity

Each package is shown on its own; packages that can be installed together are never added up. Week 2026-W40 (2026-09-28 to 2026-10-04).

PyPIinspect-ai · headline (ranked)

907,448 downloads in the week, +33.1% vs prior week · rank 8 on PyPI

2026-W29: 2,949,6662026-W30: 2,306,9022026-W31: 2,343,3272026-W32: 1,538,6262026-W33: 1,736,0642026-W34: 3,062,8672026-W35: 934,4292026-W36: 702,2632026-W37: 538,4972026-W38: 639,6192026-W39: 681,9762026-W40: 907,448
2026-W29 to 2026-W40, 12 weeks; min 538,497, max 3,062,867

Cross-check 2026-W40 vs PyPI Stats (mirrors excluded): within 5% (+1.4%). PyPI Stats query

Reproduce this number (ClickHouse SQL) · registry metadata (mapping checked 2026-10-07)

GitHub stars

UKGovernmentBEIS/inspect_ai: 2,953 stars (rank 26). Stars are a point-in-time count of a repository's bookmarks, not people using the tool.

Series starts 2026-W40 (2,953).

Reproduce (GitHub API) · repository link source

Facts

Facts for Inspect AI
CategoriesEvaluation
StatusGenerally available
LicenceMITsource, checked 2026-10-07
Self-hostYessource, checked 2026-10-07
OpenTelemetryUnknownsource, checked 2026-10-07
Pricing modelfree
Entry priceFree; Open-source framework; no paid plan foundsource, checked 2026-10-07
Free tierYes
MeasurabilityMeasured (mapped SDK packages)

Facts last verified 2026-10-07 on first-party pages. Prices as published, taxes excluded; non-USD prices are not converted.

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Spotted an outdated fact? The methodology page explains how facts are checked; corrections are applied at the next weekly build.